/////////////////////////////////////////////////////////////////////////////
// GridCellBase.h : header file
//
// MFC Grid Control - Grid cell base class header file
//
// Written by Chris Maunder <chris@codeproject.com>
// Copyright (c) 1998-2005. All Rights Reserved.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is 
// not sold for profit without the authors written consent, and 
// providing that this notice and the authors name and all copyright 
// notices remains intact. 
//
// An email letting me know how you are using it would be nice as well. 
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability for any damage/loss of business that
// this product may cause.
//
// For use with CGridCtrl v2.22+
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1456__INCLUDED_)
#define AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1456__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000



// Cell states
#define GVIS_FOCUSED            0x0001
#define GVIS_SELECTED           0x0002
#define GVIS_DROPHILITED        0x0004
#define GVIS_READONLY           0x0008
#define GVIS_FIXED              0x0010
#define GVIS_FIXEDROW           0x0020
#define GVIS_FIXEDCOL           0x0040
#define GVIS_MODIFIED           0x0080

// Cell data mask
#define GVIF_TEXT               LVIF_TEXT
#define GVIF_IMAGE              LVIF_IMAGE
#define GVIF_PARAM              LVIF_PARAM
#define GVIF_STATE              LVIF_STATE
#define GVIF_BKCLR              (GVIF_STATE<<1)
#define GVIF_FGCLR              (GVIF_STATE<<2)
#define GVIF_FORMAT             (GVIF_STATE<<3)
#define GVIF_FONT               (GVIF_STATE<<4)
#define GVIF_MARGIN             (GVIF_STATE<<5)
#define GVIF_ALL                (GVIF_TEXT|GVIF_IMAGE|GVIF_PARAM|GVIF_STATE|GVIF_BKCLR|GVIF_FGCLR| \
                                 GVIF_FORMAT|GVIF_FONT|GVIF_MARGIN)
namespace Printing
{
	class CPntGridCtrl;
	// Used for Get/SetItem calls.
	typedef struct _PNT_GV_ITEM {
		int      row,col;     // Row and Column of item
		UINT     mask;        // Mask for use in getting/setting cell data
		UINT     nState;      // cell state (focus/hilighted etc)
		DWORD    nFormat;     // Format of cell
		int      iImage;      // index of the list view items icon
		COLORREF crBkClr;     // Background colour (or CLR_DEFAULT)
		COLORREF crFgClr;     // Forground colour (or CLR_DEFAULT)
		LPARAM   lParam;      // 32-bit value to associate with item
		LOGFONT  lfFont;      // Cell font
		UINT     nMargin;     // Internal cell margin
		CString  strText;     // Text in cell
	} PNT_GV_ITEM;


	// Each cell contains one of these. Fields "row" and "column" are not stored since we
	// will usually have acces to them in other ways, and they are an extra 8 bytes per
	// cell that is probably unnecessary.

	class CPntGridCellBase : public CObject
	{
		friend class CPntGridCtrl;
		DECLARE_DYNAMIC(CPntGridCellBase)

		// Construction/Destruction
	public:
		CPntGridCellBase();
		virtual ~CPntGridCellBase();

		// Attributes
	public:
		virtual void SetText(LPCTSTR /* szText */)              = 0 ;
		virtual void SetImage(int /* nImage */)                 = 0 ;
		virtual void SetData(LPARAM /* lParam */)               = 0 ;
		virtual void SetState(DWORD nState)                     { m_nState = nState; }
		virtual void SetFormat(DWORD /* nFormat */)             = 0 ;
		virtual void SetTextClr(COLORREF /* clr */)             = 0 ;
		virtual void SetBackClr(COLORREF /* clr */)             = 0 ;
		virtual void SetFont(const LOGFONT* /* plf */)          = 0 ;
		virtual void SetMargin( UINT /* nMargin */)             = 0 ;
		virtual void SetGrid(CPntGridCtrl* /* pGrid */)            = 0 ;
		virtual void SetCoords( int /* nRow */, int /* nCol */) = 0 ;

		virtual LPCTSTR    GetText()       const                = 0 ;
		virtual LPCTSTR    GetTipText()    const                { return GetText(); } // may override TitleTip return
		virtual int        GetImage()      const                = 0 ;
		virtual LPARAM     GetData()       const                = 0 ;
		virtual DWORD      GetState()      const                { return m_nState;  }
		virtual DWORD      GetFormat()     const                = 0 ;
		virtual COLORREF   GetTextClr()    const                = 0 ;
		virtual COLORREF   GetBackClr()    const                = 0 ;
		virtual LOGFONT  * GetFont()       const                = 0 ;
		virtual CFont * GetFontObject(CDC* pDC = NULL) const = 0 ;
		virtual CPntGridCtrl* GetGrid()       const                = 0 ;
		virtual CWnd     * GetEditWnd()    const                = 0 ;
		virtual UINT       GetMargin()     const                = 0 ;

		virtual CPntGridCellBase* GetDefaultCell() const;

		virtual BOOL IsDefaultFont()       const                = 0 ;
		virtual BOOL IsEditing()           const                = 0 ;
		virtual BOOL IsFocused()           const                { return (m_nState & GVIS_FOCUSED);  }
		virtual BOOL IsFixed()             const                { return (m_nState & GVIS_FIXED);    }
		virtual BOOL IsFixedCol()          const                { return (m_nState & GVIS_FIXEDCOL); }
		virtual BOOL IsFixedRow()          const                { return (m_nState & GVIS_FIXEDROW); }
		virtual BOOL IsSelected()          const                { return (m_nState & GVIS_SELECTED); }
		virtual BOOL IsReadOnly()          const                { return (m_nState & GVIS_READONLY); }
		virtual BOOL IsModified()          const                { return (m_nState & GVIS_MODIFIED); }
		virtual BOOL IsDropHighlighted()   const                { return (m_nState & GVIS_DROPHILITED); }

		// Operators
	public:
		virtual void operator=(const CPntGridCellBase& cell);

		// Operations
	public:
		virtual void Reset();

		virtual BOOL Draw(CDC* pDC, int nRow, int nCol, CRect rect, BOOL bEraseBkgnd = TRUE);
		virtual BOOL GetTextRect( LPRECT pRect);    // i/o:  i=dims of cell rect; o=dims of text rect
		virtual BOOL GetTipTextRect( LPRECT pRect) { return GetTextRect( pRect); }  // may override for btns, etc.
		virtual CSize GetTextExtent(LPCTSTR str, CDC* pDC = NULL);
		virtual CSize GetCellExtent(CDC* pDC);

		// Editing
		virtual BOOL Edit( int /* nRow */, int /* nCol */, CRect /* rect */, CPoint /* point */, 
			UINT /* nID */, UINT /* nChar */) { ASSERT( FALSE); return FALSE;}
		virtual BOOL ValidateEdit(LPCTSTR str);
		virtual void EndEdit() {}

		// EFW - Added to print cells properly
		virtual BOOL PrintCell(CDC* pDC, int nRow, int nCol, CRect rect);

		// add additional protected grid members required of cells
		LRESULT SendMessageToParent(int nRow, int nCol, int nMessage);

	protected:
		virtual void OnEndEdit();
		virtual void OnMouseEnter();
		virtual void OnMouseOver();
		virtual void OnMouseLeave();
		virtual void OnClick( CPoint PointCellRelative);
		virtual void OnClickDown( CPoint PointCellRelative);
		virtual void OnRClick( CPoint PointCellRelative);
		virtual void OnDblClick( CPoint PointCellRelative);
		virtual BOOL OnSetCursor();

	protected:
		DWORD    m_nState;      // Cell state (selected/focus etc)
	};

	//{{AFX_INSERT_LOCATION}}
	// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
}

#endif // !defined(AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1456__INCLUDED_)
